Do you understand plastic materials?

Commonly used blister materials related introduction:
PVC is the most common blister packaging in daily life. It is a commonly used transparent plastic packaging produced by PVC sheeting. It is popular for its wide range of uses. PVC sheets have high toughness and are not easy to burn, but they generate chlorine which is unfavorable to the environment when burned. PVC can be divided into environmentally friendly products and non-environmental products. The main features are high transparency, good surface gloss, less crystal points, small water marks, impact resistance, and easy molding. Therefore, it is widely used in toys, food, and electronics. The packaging of products, medicines, electrical appliances and other products.
PS sheet is a new type of environmentally friendly packaging material. It is widely used in the packaging of medicine, food, toys, electronics and other products due to its excellent thermoforming performance, good environmental performance and hygienic performance.
PET sheet can be recycled and recycled by virtue of its excellent toughness, high strength and high transparency. It does not produce harmful gases when burned. It is an environmentally friendly material and gradually bans PVC, but the price is relatively high, which is suitable for high-grade plastic products. In Europe and the United States, the blister bulbs generally require PET materials, but their high thermal melting point brings great difficulties to the packaging. In order to solve this problem, people put a layer of PVC film on the PET surface, named PETG. But the price is higher. Mainly used in electronics, food, toys, color box lining, footwear packaging. It has the following advantages:
1. It has excellent transparency and smoothness, and the display effect is good;
2, the surface decoration performance is excellent, can be printed without surface treatment, to suppress the pattern, easy to surface metal treatment;
3. Has good mechanical strength;
4. Good barrier performance against oxidation and water vapor;
5, good chemical resistance, can withstand the erosion of a variety of chemicals;
6, non-toxic and environmentally friendly, reliable hygienic performance, can be used for the packaging of food, drugs and medical equipment, and can be used to disinfect the packaged items with radiation;
7. It has good adaptability to environmental protection and can be recycled economically and conveniently; when it is burned, it does not produce harmful substances harmful to the environment.

What are the requirements for plastic forming?
1. Blister molding can only produce products with relatively uniform wall thickness (usually slightly thinner at the chamfer), and it is not possible to produce plastic products with widely different wall thicknesses.
2. The wall thickness of the plastic forming is generally in the range of 1 to 2 mm or thinner (the most commonly used thickness of the blister-packed sheet for small packaging is 0.15 to 0.25 mm).
3. The stretchability of plastic molded products is limited. The diameter of plastic molded plastic containers is not more than 1 in diameter and should not exceed 1.5 in extreme cases.
4. The dimensional accuracy of plastic forming is poor, and the relative error is generally more than one percent.

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